remove stopwords

package.json

@@ -22,6 +22,7 @@
     "@types/lodash-es": "^4.17.12",
     "@types/node": "^16.18.126",
     "@types/pako": "^2.0.3",
+    "@types/stopword": "^2.0.3",
     "babel-jest": "^27.5.1",
     "builtin-modules": "^3.3.0",
     "esbuild": "0.17.19",
@@ -47,7 +48,8 @@
     "markdown-link-extractor": "^4.0.2",
     "minisearch": "7.1.0",
     "pure-md5": "^0.1.14",
-    "search-query-parser": "^1.6.0"
+    "search-query-parser": "^1.6.0",
+    "stopword": "^3.1.5"
   },
   "pnpm": {
     "overrides": {

pnpm-lock.yaml

@@ -32,6 +32,9 @@ importers:
       search-query-parser:
         specifier: ^1.6.0
         version: 1.6.0
+      stopword:
+        specifier: ^3.1.5
+        version: 3.1.5
     devDependencies:
       '@babel/preset-env':
         specifier: ^7.26.9
@@ -57,6 +60,9 @@ importers:
       '@types/pako':
         specifier: ^2.0.3
         version: 2.0.3
+      '@types/stopword':
+        specifier: ^2.0.3
+        version: 2.0.3
       babel-jest:
         specifier: ^27.5.1
         version: 27.5.1(@babel/core@7.26.10)
@@ -1137,6 +1143,9 @@ packages:
   '@types/stack-utils@2.0.3':
     resolution: {integrity: sha512-9aEbYZ3TbYMznPdcdr3SmIrLXwC/AKZXQeCf9Pgao5CKb8CyHuEX5jzWPTkvregvhRJHcpRO6BFoGW9ycaOkYw==}
 
+  '@types/stopword@2.0.3':
+    resolution: {integrity: sha512-hioMj0lOvISM+EDevf7ijG8EMbU+J3pj4SstCyfQC1t39uPYpAe7beSfBdU6c1d9jeECTQQtR3UJWtVoUO8Weg==}
+
   '@types/tern@0.23.9':
     resolution: {integrity: sha512-ypzHFE/wBzh+BlH6rrBgS5I/Z7RD21pGhZ2rltb/+ZrVM1awdZwjx7hE5XfuYgHWk9uvV5HLZN3SloevCAp3Bw==}
 
@@ -2783,6 +2792,9 @@ packages:
     resolution: {integrity: sha512-XlkWvfIm6RmsWtNJx+uqtKLS8eqFbxUg0ZzLXqY0caEy9l7hruX8IpiDnjsLavoBgqCCR71TqWO8MaXYheJ3RQ==}
     engines: {node: '>=10'}
 
+  stopword@3.1.5:
+    resolution: {integrity: sha512-OgLYGVFCNa430WOrj9tYZhQge5yg6vd6JsKredveAqEhdLVQkfrpnQIGjx0L9lLqzL4Kq4J8yNTcfQR/MpBwhg==}
+
   stream-to-array@2.3.0:
     resolution: {integrity: sha512-UsZtOYEn4tWU2RGLOXr/o/xjRBftZRlG3dEWoaHr8j4GuypJ3isitGbVyjQKAuMu+xbiop8q224TjiZWc4XTZA==}
 
@@ -4348,6 +4360,8 @@ snapshots:
 
   '@types/stack-utils@2.0.3': {}
 
+  '@types/stopword@2.0.3': {}
+
   '@types/tern@0.23.9':
     dependencies:
       '@types/estree': 1.0.6
@@ -6231,6 +6245,8 @@ snapshots:
     dependencies:
       escape-string-regexp: 2.0.0
 
+  stopword@3.1.5: {}
+
   stream-to-array@2.3.0:
     dependencies:
       any-promise: 1.3.0

src/search/tokenizer.ts

@@ -1,7 +1,8 @@
 import type { QueryCombination } from 'minisearch'
+import { removeStopwords } from 'stopword'
 import { BRACKETS_AND_SPACE, chsRegex, SPACE_OR_PUNCTUATION } from '../globals'
 import type LocatorPlugin from '../main'
-import { splitCamelCase, splitHyphens } from '../tools/utils'
+import { getStopWords, splitCamelCase, splitHyphens } from '../tools/utils'
 
 const markdownLinkExtractor = require('markdown-link-extractor')
 
@@ -16,9 +17,8 @@ export class Tokenizer {
    */
   public tokenizeForIndexing(text: string): string[] {
     try {
-      const lang = eld.detectLanguage(text)
-      console.log(lang)
-      const words = this.tokenizeIntoWords(text)
+      let words = this.tokenizeIntoWords(text)
+      words = removeStopwords(words, getStopWords())
       let tokens = this.tokenizeIntoTokens(text, { skipChs: true })
 
       tokens = [

src/tools/utils.ts

@@ -1,3 +1,4 @@
+import { type BinaryLike, createHash } from 'crypto'
 import {
   type CachedMetadata,
   getAllTags,
@@ -5,9 +6,9 @@ import {
   parseFrontMatterAliases,
   Platform,
 } from 'obsidian'
-import { isSearchMatch, type SearchMatch } from '../globals'
-import { type BinaryLike, createHash } from 'crypto'
 import { md5 } from 'pure-md5'
+import { eng, fra } from 'stopword'
+import { isSearchMatch, type SearchMatch } from '../globals'
 
 export function pathWithoutFilename(path: string): string {
   const split = path.split('/')
@@ -279,3 +280,13 @@ export const countError = (() => {
     }
   }
 })()
+
+let stopWords: string[] = []
+export function getStopWords(): string[] {
+  if (!stopWords.length) {
+    stopWords = [...eng, ...fra]
+    // Remove duplicates
+    stopWords = [...new Set(stopWords)]
+  }
+  return stopWords
+}